Multivocab teaches 15 languages side by side, and AI wrote all of it. Here is how I validate 36,000 language entries without reading every one of them by hand.

End-to-end tests are useful on their own, but they become much more powerful when they are part of an agentic coding loop.

Refactoring legacy code is never only about changing code. First, you need to understand what the system does today. You need to know the rules, the edge cases, and the hidden decisions that are already inside the pro...